Search a number
-
+
722422033 is a prime number
BaseRepresentation
bin101011000011110…
…100100100010001
31212100100211201121
4223003310210101
52434420001113
6155404002241
723621325454
oct5303644421
91770324647
10722422033
11340874403
12181b30381
13b6890078
146bd3349b
1543650e8d
hex2b0f4911

722422033 has 2 divisors, whose sum is σ = 722422034. Its totient is φ = 722422032.

The previous prime is 722422027. The next prime is 722422037. The reversal of 722422033 is 330224227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480837184 + 241584849 = 21928^2 + 15543^2 .

It is an emirp because it is prime and its reverse (330224227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-722422033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722421989 and 722422007.

It is not a weakly prime, because it can be changed into another prime (722422037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361211016 + 361211017.

It is an arithmetic number, because the mean of its divisors is an integer number (361211017).

Almost surely, 2722422033 is an apocalyptic number.

It is an amenable number.

722422033 is a deficient number, since it is larger than the sum of its proper divisors (1).

722422033 is an equidigital number, since it uses as much as digits as its factorization.

722422033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 722422033 is about 26877.9097587591. The cubic root of 722422033 is about 897.2848346853.

The spelling of 722422033 in words is "seven hundred twenty-two million, four hundred twenty-two thousand, thirty-three".